| Period | Prime Minister | Members |
| 2005- | |
| 2001-05 | |
| 2000-01 | |
| 1997-00 | |
| 1996-97 | |
| 1990-96 | |
| 1989-90 | |
| 1986-89 | |
| 1981-86 | |
| 1981 | |
| 1976-81 | |
| 1973-76 | |
| 1972-73 | |
| 1971-72 | |
| 1965-71 | |
| 1963-65 | |
| 1963 | |
| 1955-63 | |
| 1951-55 | |
| 1945-51 | |
| 1945 | |
| 1935-45 | |
| 1933-35 | |
| 1932-33 | |
| | Period | Prime Minister | Members |
| 1931-32 | |
| 1928-31 | |
| 1928 | |
| 1926-28 | |
| 1924-26 | |
| 1923-24 | |
| 1923 | |
| 1921-23 | |
| 1920-21 | |
| 1913-20 | |
| 1912-13 | |
| 1910-12 | |
| 1908-10 | |
| 1907-08 | |
| 1905-07 | |
| 1903-05 | |
| 1902-03 | |
| 1898-02 | |
| 1895-98 | |
| 1893-95 | |
| 1891-93 | |
| 1889-91 | |
| 1884-89 | |
|